1968186046 has 4 divisors (see below), whose sum is σ = 2952279072. Its totient is φ = 984093022.

The previous prime is 1968186019. The next prime is 1968186083. The reversal of 1968186046 is 6406818691.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1968186046² = 7747512623338228232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492046510 + ... + 492046513.

It is an arithmetic number, because the mean of its divisors is an integer number (738069768).

Almost surely, 2^1968186046 is an apocalyptic number.

1968186046 is a deficient number, since it is larger than the sum of its proper divisors (984093026).

1968186046 is an equidigital number, since it uses as much as digits as its factorization.

1968186046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984093025.

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 1968186046 is about 44364.2428764427. The cubic root of 1968186046 is about 1253.2047995326.

The spelling of 1968186046 in words is "one billion, nine hundred sixty-eight million, one hundred eighty-six thousand, forty-six".